Optical Code-Triggered CMM Program Selection for Wheel Hub Measurement
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Solution Overview
Problem
The inefficiency and potential for equipment damage in three-coordinate measuring machines used for vehicle aluminum alloy hubs due to slow and inaccurate manual identification of hub types and corresponding measuring programs, leading to reduced measuring speed and increased economic loss.
Innovation Solution
A three-coordinate measuring system that includes an optical collecting head for scanning graphic identifiers, such as barcodes or two-dimensional codes, to automatically acquire product type information and call the corresponding measuring program, thereby controlling the probe's motion and improving measurement efficiency and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual identification of hub type is used to call measuring programs, then the system can operate with simple equipment, but the measuring efficiency decreases and identification errors occur
Solution Approach 1:
The patent replaces the manual mechanical identification process with an automated optical scanning system. The type collector with optical head automatically scans graphic identifiers (barcodes or 2D codes) on hub products, eliminating the need for operators to manually identify hub types. This substitution of mechanical/manual operations with automated optical-electronic systems directly improves measuring efficiency while the standardized code system maintains operational simplicity.
2Measurement precision
If operators manually search and call measuring programs, then the equipment structure remains simple, but identification accuracy decreases due to human error
Solution Approach 1:
The patent replaces manual visual identification and program selection with automated optical scanning and electronic program calling. The type collector automatically reads graphic identifiers and the control component automatically calls the corresponding measuring programs, eliminating human error in identification. This electronic-automated approach significantly improves identification accuracy while adding only moderate system complexity through standardized components.
Solution Approach 2:
The patent uses graphic identifiers (barcodes or 2D codes) as copies of hub type information. Instead of requiring operators to visually analyze and interpret hub features, the system reads standardized code copies that uniquely represent hub types. This copying mechanism ensures accurate and consistent identification without human error, as the codes provide unambiguous type information that can be automatically processed.
3Speed
If searching time for measuring programs is reduced by automation, then measuring speed improves, but the system complexity increases
Solution Approach 1:
The patent replaces the manual search and selection process with automated optical scanning and electronic database retrieval. The type collector scans the graphic identifier in seconds, and the control component instantly retrieves and calls the corresponding measuring program from memory. This automated electronic system reduces program calling time from minutes to seconds, dramatically improving measuring speed while the modular architecture keeps system complexity manageable.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system significantly enhances measuring efficiency by eliminating manual identification errors, reducing equipment damage, and ensuring accurate program calls, thus improving the overall measurement process and reducing economic losses.
Implementation Method 1
an optical collecting head capable of scanning a graphic identifier
Data Source
AI summary
A three-coordinate measuring system includes a three-coordinate measuring apparatus, and a type collector for a product to be measured; the apparatus is provided with a probe, and a control component which controls motion of the probe through a measuring program preset according to product type of the product to be measured, the control component is electrically connected to the probe; the type collector includes an optical collecting head capable of scanning a graphic identifier, the optical collecting head is electrically connected to the control component; the control component acquires the product type of the product to be measured according to the graphic identifier scanned by the optical collecting head, and call a corresponding measuring program to control the motion of the probe in order to measure the product to be measured and acquire measuring data, a method for three-coordinate measuring is also provided.